AU755548B2 - Capacitive measuring device - Google Patents

Capacitive measuring device Download PDF

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Publication number
AU755548B2
AU755548B2 AU62093/99A AU6209399A AU755548B2 AU 755548 B2 AU755548 B2 AU 755548B2 AU 62093/99 A AU62093/99 A AU 62093/99A AU 6209399 A AU6209399 A AU 6209399A AU 755548 B2 AU755548 B2 AU 755548B2
Authority
AU
Australia
Prior art keywords
probe
measuring probe
measuring
voltage
capacitor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU62093/99A
Other languages
English (en)
Other versions
AU6209399A (en
Inventor
Pascal Jordana
Claude Launay
Daniel Le Reste
William Panciroli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9531929&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU755548(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of AU6209399A publication Critical patent/AU6209399A/en
Application granted granted Critical
Publication of AU755548B2 publication Critical patent/AU755548B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/266—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/2405—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by varying dielectric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Ceramic Capacitors (AREA)
  • Air Bags (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
AU62093/99A 1998-10-23 1999-10-21 Capacitive measuring device Ceased AU755548B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR98/13329 1998-10-23
FR9813329A FR2785046B1 (fr) 1998-10-23 1998-10-23 Dispositif de mesure reposant sur la mesure indirecte de la permittivite
PCT/FR1999/002561 WO2000025098A2 (fr) 1998-10-23 1999-10-21 Dispositif de mesure capacitif

Publications (2)

Publication Number Publication Date
AU6209399A AU6209399A (en) 2000-05-15
AU755548B2 true AU755548B2 (en) 2002-12-12

Family

ID=9531929

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62093/99A Ceased AU755548B2 (en) 1998-10-23 1999-10-21 Capacitive measuring device

Country Status (13)

Country Link
US (1) US6545603B1 (fr)
EP (1) EP1123489B1 (fr)
JP (1) JP2002528711A (fr)
KR (1) KR100605285B1 (fr)
CN (1) CN1210546C (fr)
AT (1) ATE271688T1 (fr)
AU (1) AU755548B2 (fr)
BR (1) BR9914759A (fr)
CA (1) CA2347988A1 (fr)
DE (1) DE69918850T2 (fr)
FR (1) FR2785046B1 (fr)
RU (1) RU2220404C2 (fr)
WO (1) WO2000025098A2 (fr)

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LU90629B1 (de) * 2000-08-10 2006-02-21 Luxembourg Patent Co Vorrichtung zum Feststellen eines Gasverlustes auseinem Kohlendioxid-Druckbeh{lter.
FR2813054B1 (fr) 2000-08-21 2002-11-15 Faure Bertrand Equipements Sa Systeme pour vehicule, comportant un dispositif de commande adapte pour faire fonctionner un actionneur selectivement en fonction d'une valeur mesuree par un dispositif de mesure dispose dans un siege
FR2817035B1 (fr) * 2000-11-23 2003-03-28 Hitachi Comp Products Europ Sa Dispositif de mesure exploitant une mesure indirecte de permittivite a sondes mulitiples
FR2817034B1 (fr) * 2000-11-23 2003-03-28 Hitachi Comp Products Europ Sa Dispositif de mesure exploitant une mesure indirecte de permettivite a reponse rapide
ATE403135T1 (de) * 2000-11-23 2008-08-15 Hitachi Comp Products Europ S Kapazitiver messwertgeber
FR2817033B1 (fr) * 2000-11-23 2003-03-28 Hitachi Comp Products Europ Sa Disposistif de mesure exploitant une mesure indirecte de permettivite comprenant des moyens de compensation en derive
FR2817032B1 (fr) * 2000-11-23 2003-03-28 Hitachi Comp Products Europ Sa Perfectionnements aux dispositifs de mesure exploitant une mesure indirecte de permittivite
FR2817036B1 (fr) * 2000-11-23 2003-03-28 Hitachi Comp Products Europ Sa Dispositif de mesure exploitant une mesure indirecte de permettivite a grande dynamique
FR2826723B1 (fr) * 2001-06-28 2004-01-30 Hitachi Comp Products Europ Sa Systeme de mesure capacitif
DE10207425A1 (de) * 2002-02-21 2003-09-04 Bosch Gmbh Robert Verfahren und Meßgerät zur Ortung eingeschlossener Objekte
DE10309769B4 (de) * 2002-03-08 2017-10-05 Ust Umweltsensortechnik Gmbh Anordnung zur Bestimmung von Zustandsgrößen für Flüssigkeiten in einem geschlossenen nichtmetallischen Behälter
FR2841841B1 (fr) 2002-07-03 2004-09-10 Faurecia Sieges Automobile Dispositif et procede de chauffe de sieges de vehicule automobile
DE10231946A1 (de) * 2002-07-15 2004-01-29 Exess Engineering Gmbh Verfahren zur Messung des Füllstandes eines Fluids in einem Behälter und entsprechender Füllstandssensor
FR2849918B1 (fr) * 2003-01-10 2005-06-17 Faurecia Sieges Automobile Systeme de detection capacitif, notamment pour interieur de vehicule automobile.
DE10345708A1 (de) * 2003-10-01 2005-04-21 Volkswagen Ag Füllstand-Messsystem
FR2871118B1 (fr) 2004-06-07 2006-09-01 Faurecia Sieges Automobile Systeme et procede de caracterisation de l'occupation d'un element de siege de vehicule, et element de siege pour un tel systeme
JP2006180935A (ja) * 2004-12-24 2006-07-13 Olympus Corp 医療機器装置
NZ562757A (en) * 2005-04-27 2011-03-31 Roho Inc Proximity sensor
FR2889304B1 (fr) 2005-07-28 2007-09-21 Hitachi Comp Products Europ Sa Capteur capacitif permettant une discrimination morphologique d'un occupant dans un siege automobile
US7388509B2 (en) * 2005-09-28 2008-06-17 International Lubricants, Inc. System and method for detecting electrolysis in an automobile system
FR2892509B1 (fr) * 2005-10-26 2007-12-21 Inergy Automotive Systems Res Jauge capacitive pour reservoir a carburant
US20070252715A1 (en) * 2006-04-27 2007-11-01 Honeywell International Inc. Liquid quality and level sensor
EP1857329A1 (fr) * 2006-05-17 2007-11-21 Hitachi Computer Products (Europe) S.A.S. Procédé pour améliorer la localisation d'un objet en regard d'un capteur
DE602006010671D1 (de) * 2006-05-17 2010-01-07 Hitachi Comp Products Europ S Verfahren zur Ermittlung der Morphologie eines Insassen in einem Fahrzeugsitz mit kapazitiven Sensoren
JP2008060877A (ja) 2006-08-31 2008-03-13 Hitachi Ltd Ｍｉｍｏ無線データ伝送システム
US8636670B2 (en) 2008-05-13 2014-01-28 The Invention Science Fund I, Llc Circulatory monitoring systems and methods
US9717896B2 (en) 2007-12-18 2017-08-01 Gearbox, Llc Treatment indications informed by a priori implant information
US20090287120A1 (en) 2007-12-18 2009-11-19 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Circulatory monitoring systems and methods
US8154315B2 (en) * 2008-04-08 2012-04-10 Formfactor, Inc. Self-referencing voltage regulator
JP5276921B2 (ja) * 2008-08-08 2013-08-28 株式会社日立ハイテクノロジーズ 検査装置
DE102009052537B4 (de) * 2009-11-11 2011-12-22 Ident Technology Ag Sensorelektronik für eine Mehrzahl von Sensorelementen sowie Verfahren zum Bestimmen einer Position eines Objektes an den Sensorelementen
DE202009018553U1 (de) 2009-11-11 2012-02-29 Ident Technology Ag Sensorelektronik für eine Mehrzahl von Sensorelementen
GB201011785D0 (en) 2010-07-13 2010-08-25 Oxford Rf Sensors Ltd Permittivity sensor
CN101976147B (zh) 2010-09-30 2013-03-27 江苏惠通集团有限责任公司 触摸识别方法、触摸键结构及触摸装置
DE102011079174A1 (de) * 2011-07-14 2013-01-17 Zf Friedrichshafen Ag Positionserfassungsvorrichtung
DE102011053407A1 (de) 2011-09-08 2013-03-14 Beko Technologies Gmbh Füllstandsüberwachung
CN103164875B (zh) * 2011-12-08 2016-03-30 北京北大千方科技有限公司 车载设备
US9810567B2 (en) 2013-05-03 2017-11-07 Dickey-John Corporation Calibration-free continuous bin level sensor
RU2559700C2 (ru) * 2013-05-29 2015-08-10 Шепеленко Виталий Борисович Способ контроля доступа к объекту и устройство для его реализации
RU2559695C2 (ru) * 2013-05-29 2015-08-10 Шепеленко Виталий Борисович Электронный индикатор
RU2559696C2 (ru) * 2013-05-29 2015-08-10 Шепеленко Виталий Борисович Электронный индикатор и способ его применения
RU2559697C2 (ru) * 2013-05-29 2015-08-10 Шепеленко Виталий Борисович Устройство индикации вмешательства
AU2014380163B2 (en) 2014-01-29 2018-10-04 Roho, Inc. Cushion immersion sensor
CH709917A2 (de) * 2014-07-24 2016-01-29 Tecan Trading Ag Verfahren und Vorrichtung zum Unterscheiden zwischen einer Schaum- und/oder Flüssigkeitskontaktierung.
US9976893B2 (en) * 2015-09-16 2018-05-22 Finetek Co., Ltd. Method for measuring permittivity of material
RU2671299C9 (ru) * 2017-04-12 2018-12-24 Акционерное общество "Концерн "Созвездие" Способ измерения параметров подстилающей среды и устройство для его осуществления
US10845263B2 (en) 2018-04-17 2020-11-24 Mks Instruments, Inc. Thermal conductivity gauge
CN113252734B (zh) * 2021-06-22 2021-09-24 电子科技大学 一种电阻型气体传感器柔性电路及气体浓度计算方法
CN115389823A (zh) * 2022-08-26 2022-11-25 北京空间机电研究所 一种探测器光电二极管节点电容测试装置和方法

Citations (3)

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US3580074A (en) * 1969-05-23 1971-05-25 Trans Sonics Inc Temperature-compensated liquid quantity gage
DE3413849A1 (de) * 1984-02-21 1985-08-22 Dietrich 8891 Obergriesbach Lüderitz Kapazitaets-messgeraet
US5050431A (en) * 1990-09-12 1991-09-24 Robertshaw Controls Company Liquid level sensing device and methods of making an operating the same

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US4485673A (en) * 1981-05-13 1984-12-04 Drexelbrook Engineering Company Two-wire level measuring instrument
DE4312432A1 (de) * 1993-04-17 1994-10-20 Deutsche Aerospace Verfahren zur Messung von Flüssigkeitspegeln, Flüssigkeitsständen und Durchflußraten bei niederkonzentrierten Elektrolyten
US5406843A (en) * 1993-10-27 1995-04-18 Kdi Corporation, Inc. Digital liquid level sensing apparatus
DE4434338C2 (de) * 1994-09-26 1996-12-19 Siemens Ag Ausleseschaltung für einen kapazitiven Sensor
DE19513022C1 (de) * 1995-04-06 1996-08-14 Siemens Ag Schaltungsanordnung und Verfahren zur Bestimmung von Kapazitätsdifferenzen

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US3580074A (en) * 1969-05-23 1971-05-25 Trans Sonics Inc Temperature-compensated liquid quantity gage
DE3413849A1 (de) * 1984-02-21 1985-08-22 Dietrich 8891 Obergriesbach Lüderitz Kapazitaets-messgeraet
US5050431A (en) * 1990-09-12 1991-09-24 Robertshaw Controls Company Liquid level sensing device and methods of making an operating the same

Also Published As

Publication number Publication date
CA2347988A1 (fr) 2000-05-04
DE69918850D1 (de) 2004-08-26
WO2000025098A2 (fr) 2000-05-04
EP1123489A2 (fr) 2001-08-16
WO2000025098A3 (fr) 2000-10-12
KR20010099739A (ko) 2001-11-09
JP2002528711A (ja) 2002-09-03
ATE271688T1 (de) 2004-08-15
FR2785046B1 (fr) 2001-01-26
AU6209399A (en) 2000-05-15
BR9914759A (pt) 2001-07-10
KR100605285B1 (ko) 2006-07-28
FR2785046A1 (fr) 2000-04-28
DE69918850T2 (de) 2005-08-11
CN1210546C (zh) 2005-07-13
RU2220404C2 (ru) 2003-12-27
CN1326544A (zh) 2001-12-12
EP1123489B1 (fr) 2004-07-21
US6545603B1 (en) 2003-04-08

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FGA Letters patent sealed or granted (standard patent)